CN103942208B - Document handling method and device - Google Patents
Document handling method and device Download PDFInfo
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- CN103942208B CN103942208B CN201310020004.1A CN201310020004A CN103942208B CN 103942208 B CN103942208 B CN 103942208B CN 201310020004 A CN201310020004 A CN 201310020004A CN 103942208 B CN103942208 B CN 103942208B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
- G06F16/183—Provision of network file services by network file servers, e.g. by using NFS, CIFS
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/178—Techniques for file synchronisation in file systems
Abstract
Provide a kind of document handling method and device applied in terminal device and server.A kind of document handling method applied to terminal device includes：By the first version of the first file in file system layer piecemeal, the blocks of files of the first quantity of acquisition；It receives on the basis of the first version of first file to the write operation of first file；In response to the write operation to first file, the new blocks of files of the second quantity is generated；For each new blocks of files, file in the block respective file block of the new blocks of files in first quantity is determined, and generate the difference block of the new blocks of files and the respective file block；The preservation to first file is received to operate；And operated in response to described preserve, the second edition of first file and the difference block are preserved, wherein the second edition of first file contains the operating result of the write operation.
Description
Technical field
The present invention relates to file management, and relate more specifically to a kind of text that can more effectively store and transmit file
Part processing method and processing device.
Background technology
Currently, Dropbox is largely risen, such as has existed Sina's Dropbox, 360 Dropbox, Baidu's Dropbox, Huawei's Dropbox etc.,
User only needs the cost of very little that can just preserve the file of oneself in Dropbox, so as to realize access anywhere or anytime and same
Step file.
On the other hand, after file is changed on the terminal device, user needs will be in modified entire file whole
It passes on Dropbox server, with the original preserved in Dropbox using the replacement of modified file.When terminal device be according to
During the terminal device of network traffic data payment, such as move equipment or set by the various terminals of the ADSL user of flow charging
It is standby etc., modified entire file is all uploaded into Dropbox server and might mean that more network traffic datas and be
System power consumption.
It for example, ought be only in the case where the end of file with the word document of page 500 increases a word, after modification
Entire file all upload to Dropbox server and obviously considerably increase network traffic data and system power dissipation.In ideal situation
Under, if only by data involved by increased that sentence upload to Dropbox server, there may be minimum data flows
Amount.
It can be synchronized between Dropbox server and terminal device with network traffic data few as possible therefore, it is necessary to a kind of
The document handling method and device of file.
Invention content
The present invention is proposed in view of the above problem.The present invention provides a kind of document handling method and devices, lead to
It crosses file is divided documents into multiple original document blocks in file system layer piecemeal, change file based on this,
File is generated at least one new blocks of files, and generate the difference between the corresponding original document block of new blocks of files after modification
Piecemeal only synchronizes generated difference block between Dropbox server and terminal device, so as to largely reduce network traffic data.
According to an aspect of the present invention, a kind of document handling method is provided, applied to terminal device, including：By the first text
The first version of part is in file system layer piecemeal, the blocks of files of the first quantity of acquisition；It receives described the of first file
To the write operation of first file on the basis of one version；In response to the write operation to first file, the second quantity is generated
New blocks of files；For each new blocks of files, file in the block respective file of the new blocks of files in first quantity is determined
Block, and generate the difference block of the new blocks of files and the respective file block；And the preservation received to first file operates；
Operation is preserved in response to described, the second edition of first file and the difference block are preserved, wherein first file
The second edition contain the operating result of the write operation.
Preferably, the document handling method further includes：Receive the upload to the second edition of first file
Operation；And in response to the upload operation, all difference blocks about first file preserved are uploaded into service
Device.
Preferably, in the document handling method, the new blocks of files of the second quantity of generation includes：For the described first number
Each in the blocks of files of amount, in the case where the write operation is related to this document block, it is right on the basis of this document block to generate its
The new blocks of files answered.
Preferably, in the document handling method, for each in the blocks of files of first quantity, behaviour is write described
When making to correspond to the operation for increasing the content involved by this document block, generated on the basis of this document block at least one corresponding
New blocks of files；When the write operation corresponds to the operation of the content involved by modification this document block, on the basis of this document block
Upper at least one corresponding new blocks of files of generation；Correspond in the write operation and delete the partial content involved by this document block
During operation, a corresponding new blocks of files is generated on the basis of this document block；And correspond to delete in the write operation and be somebody's turn to do
During the operation of the full content involved by blocks of files, the new blocks of files of a blank corresponding with this document block is generated.
Preferably, in the document handling method, for each new blocks of files, determine the new blocks of files described first
With the presence or absence of respective file block in the blocks of files of quantity, wherein, a blocks of files corresponds in the blocks of files of first quantity
In the case of at least one new blocks of files, only by least one new new blocks of files of first in the block of file and the text
Part block corresponds to each other；In the case where the new blocks of files is there are respective file block, the new blocks of files and the respective file are generated
The difference block of block；It is and in the case where respective file block is not present in the new blocks of files, the new blocks of files is right as its in itself
The difference block answered.
Preferably, in the document handling method, for each new blocks of files, in the new blocks of files, there are respective files
In the case that block and the new blocks of files are not the new blocks of files of blank, the new blocks of files is utilized to replace the respective file block；
The new blocks of files is there are respective file block and the new blocks of files is in the case of the new blocks of files of blank, deletes the respective file
Block；In the new blocks of files there is no in the case of respective file block, the new blocks of files is preserved；And preserve first quantity
Those blocks of files that write operation described in blocks of files is not directed to.
According to a further aspect of the invention, a kind of document handling method is provided, applied to server, the server preserves
The first version of first file, including：Receive the difference block of the second edition about first file uploaded；By described in
The first version of first file and the difference merged block received, to obtain the second edition of first file；And it preserves
The second edition of first file.
Preferably, the document handling method further includes：Preserve received difference block.
Preferably, in the document handling method, the difference of the second edition about first file of upload is received
Piecemeal includes：The difference set of blocks of the second edition about first file uploaded is received, the difference set of blocks includes
At least one difference block；And the difference set of blocks is decomposed, to obtain at least one difference block.
Preferably, the document handling method further includes：The synchronization received for the second edition of first file is asked
It asks；In response to the synchronization request, the difference block of the second edition about first file preserved is transmitted.
Preferably, in the document handling method, the server preserve the first file first version in text
Part system layer is by piecemeal and includes the blocks of files of the first quantity, wherein, for each difference block, determine the difference block described
It whether there is respective file block in the blocks of files of one quantity；In the case where the difference block is there are respective file block, by the difference
Block and the respective file merged block are to generate a new blocks of files, and in the situation that the new blocks of files is null file block
Under, abandon the new blocks of files；And in the case where respective file block is not present in the difference block, using the difference block in itself as one
Those blocks of files that the difference block received in a new blocks of files and blocks of files using first quantity is not directed to, with
And the new blocks of files generated based on the difference block received, to generate the second edition of first file.
According to another aspect of the invention, a kind of document handling method is provided, applied to terminal device, in the terminal
The first version of the first file is saved in equipment, the first version of first file by piecemeal and is wrapped in file system layer
The blocks of files of the first quantity is included, including：Receive the simultaneously operating for first file；It is sent to server for described the
The synchronization request of the second edition of one file saves the difference of the second edition about first file in the server
Piecemeal；The difference block of the second edition about first file is received from server；By the first version of first file
With the difference merged block received, to obtain the second edition of first file；And preserve the described of first file
The second edition.
Preferably, in the document handling method, the difference block collection of the second edition about first file is received
It closes, the difference set of blocks includes at least one difference block；And the difference set of blocks is decomposed, it is described at least one to obtain
Difference block.
Preferably, in the document handling method, for each difference block, determine the difference block in first quantity
Blocks of files in whether there is respective file block；In the case where the difference block is there are respective file block, by the difference block and institute
Respective file merged block is stated to generate a new blocks of files, and in the case where the new blocks of files is null file block, is abandoned
The new blocks of files；And in the case where respective file block is not present in the difference block, using the difference block in itself as a new text
Those blocks of files and be based on that the difference block received in part block and blocks of files using first quantity is not directed to
The new blocks of files that the difference block received is generated, to generate the second edition of first file.
According to an aspect of the present invention, a kind of document handling apparatus is provided, applied to terminal device, including：File point
Block part, by the first version of the first file in file system layer piecemeal, the blocks of files of the first quantity of acquisition；Operation acceptance division
Part is received on the basis of the first version of first file to the write operation of first file；Difference block generates
Component in response to the write operation to first file, generates the new blocks of files of the second quantity, for each new blocks of files,
Determine file in the block respective file block of the new blocks of files in first quantity, and generate the new blocks of files with it is described corresponding
The difference block of blocks of files；And document data saving part part, it is received in response to the operation acceptance division part literary to described first
The preservation operation of part, preserves the second edition of first file and the difference block, wherein the second of first file
Version contains the operating result of the write operation.
Preferably, the operation acceptance division part also receives the upload operation of the second edition to first file,
And the document handling apparatus further includes：Difference block uploads component, in response to the upload operation, will be preserved about
All difference blocks of first file are uploaded onto the server.
According to another aspect of the present invention, a kind of document handling apparatus is provided, applied to terminal device, in the terminal
The first version of the first file is saved in equipment, the first version of first file by piecemeal and is wrapped in file system layer
The blocks of files of the first quantity is included, including：Operation acceptance division part receives the simultaneously operating for first file；Request hair
Component is sent, the synchronization request of the second edition for first file is sent to server, is preserved in the server
The difference block of the second edition about first file；Difference block receiving part is received from server about described the
The difference block of the second edition of one file；And Piece file mergence component, by the first version of first file with being received
Difference merged block, to obtain the second edition of first file；And document data saving part part, preserve first file
The second edition.
According to another aspect of the invention, a kind of document handling apparatus is provided, applied to server, the server is protected
The first version of the first file has been deposited, including：Difference block receiving part receives second about first file uploaded
The difference block of version；Piece file mergence component, by the first version of first file and the difference merged block that is received, to obtain
Obtain the second edition of first file；And document data saving part part, preserve the second edition of first file with
And the difference block received.
Preferably, the document handling apparatus, further includes：Receiving part is asked, is received for first file
The synchronization request of the second edition；And difference block transfer member, in response to the synchronization request, transmit preserved about institute
State the difference block of the second edition of the first file.
Using the according to embodiments of the present invention document handling method and device that are applied to terminal device and server, pass through
File system layer by file block, operated based on block and difference block is generated when block changes and only pass
Difference block is sent, network traffic data and system power dissipation between server and terminal device can be substantially reduced.
Description of the drawings
Embodiments of the present invention is described in detail in conjunction with the accompanying drawings, above and other objects of the present invention, feature,
Advantage will become apparent, wherein：
Fig. 1 is the flow chart for showing the document handling method applied to terminal device according to embodiments of the present invention；
Fig. 2 is the supplementary flow chart for showing the document handling method applied to terminal device according to embodiments of the present invention；
Fig. 3 be show to preserve in the document handling method applied to terminal device according to embodiments of the present invention it is modified
The schematic flow of file；
Fig. 4 is the flow chart for showing the document handling method applied to server according to embodiments of the present invention；
Fig. 5 is the supplementary flow chart for showing the document handling method applied to server according to embodiments of the present invention；
Fig. 6 is to show to preserve modified text in the document handling method applied to server according to embodiments of the present invention
The schematic flow of part；
Fig. 7 is the flow chart for showing the document handling method applied to terminal device according to embodiments of the present invention；
Fig. 8 be show to preserve in the document handling method applied to terminal device according to embodiments of the present invention it is modified
The schematic flow of file；
Fig. 9 is the schematic block diagram for showing the document handling apparatus applied to terminal device according to embodiments of the present invention；
Figure 10 is the schematic block diagram for showing the document handling apparatus applied to terminal device according to embodiments of the present invention；
Figure 11 is the schematic block diagram for showing the document handling apparatus applied to server according to embodiments of the present invention；With
And
Figure 12 is the figure for the schematic process result for schematically showing document handling method according to embodiments of the present invention.
Specific embodiment
The document handling method for being applied to terminal device and server according to embodiments of the present invention will be described with reference to the drawings
And device, the present invention is not limited to the embodiments described herein, and can realize in other ways, so long as mode use
Difference block transmission mode reduces network traffic data.
Next, Fig. 1-3 is specific reference will be made to describe at the file applied to terminal device according to embodiments of the present invention
Reason method 100, in being specifically used for the modification file in terminal device and modified file being uploaded onto the server.
It is shown in FIG. 1 in the document handling method applied to terminal device according to embodiments of the present invention and generates difference
The flow chart of block.It is shown in FIG. 2 in the document handling method applied to terminal device according to embodiments of the present invention and uploads
The flow chart of difference block.The document handling method applied to terminal device according to embodiments of the present invention is shown in FIG. 3
The flow of the preservation process of file after modification.
First, the document handling method applied to terminal device according to embodiments of the present invention starts in step S101.
In step S110, in terminal device, will be currently held in terminal device using Virtual File System first
File is in file system layer piecemeal.In the following, for convenience, the first file being currently held in terminal device is known as
The first version of one file.Therefore, in step s 110, using Virtual File System by the first version of the first file in file
System layer piecemeal, to obtain and preserve the blocks of files of the first quantity.Hereafter, it is carried out based on the blocks of files of the first quantity to first
The write operation of file, the write operation can include modification, the content for increasing and deleting the first file.
In step S120, in terminal device, the write operation to first file is received.As previously mentioned, at the end
On the basis of the first version of first file preserved in end equipment, the write operation to first file is performed.Change sentence
It talks about, on the basis of the blocks of files of first quantity of first file, performs the write operation to first file.
For example, when performing the write operation to first file, the Virtual File System generates first quantity
Blocks of files backup, and the write operation is performed based on generated backup, without perform to preserved described the
The blocks of files of first quantity of one file performs the write operation.
In step S130, in terminal device, in response to the write operation to first file, the new of the second quantity is generated
Blocks of files.
For each in the blocks of files of first quantity, in the case where the write operation is related to this document block, at this
Its corresponding new blocks of files is generated on the basis of blocks of files, specifically：
When the write operation corresponds to the operation for increasing the content involved by this document block, on the basis of this document block
Generate at least one corresponding new blocks of files；
When the write operation corresponds to the operation of the content involved by modification this document block, on the basis of this document block
Generate at least one corresponding new blocks of files；
When the write operation corresponds to the operation for deleting the partial content involved by this document block, in the base of this document block
A corresponding new blocks of files is generated on plinth；And
When the write operation corresponds to the operation for deleting the full content involved by this document block, one and this article are generated
The new blocks of files of the corresponding blank of part block.
For example, be unfolded to describe for carrying out write operation to the 3rd blocks of files,
1）When the content for deleting the 3rd blocks of files, the 3rd file data in the block are correspondingly deleted to generate the 3rd new text
Part block；
2）When the content for increasing by the 3rd blocks of files, increase by the 3rd file data in the block to generate the 3rd new blocks of files, directly
Data volume to the 3rd blocks of files exceeds predetermined value, which is, for example, the maximum amount of data of blocks of files, and then generates
New the 3rd ' blocks of files simultaneously continues the storage increased content-data of institute wherein until the data volume of the 3 ' blocks of files is beyond making a reservation for
Value, is then followed by that new the 3rd can be generated " the increased content-data of blocks of files and the continuation institute of storage wherein, and so on,
Any number of extra file block, and generated any number of extra file can be generated on the basis of 3rd blocks of files
Block should be before the 4th blocks of files；
3）When the content for changing the 3rd blocks of files, the data to be deleted and increase the 3rd in the 3rd blocks of files are correspondingly deleted
File data in the block, to generate the 3rd new blocks of files, and as needed can also be such as 2）It generates describedly any number of
Extra file block.
Here, the new blocks of files of the second quantity may refer to newly change and/or newly generated blocks of files, such as former the
For 3 blocks of files, new blocks of files can include the 3rd new blocks of files and if the 3rd ' blocks of files newly, the new the 3rd " file
If the presence such as block, new blocks of files can not only include the 3rd new blocks of files but also can include the 3rd ' new blocks of files, new
The 3rd " blocks of files etc..
In addition, new file can not be counted as by not carrying out the blocks of files of write operation to it in the blocks of files of first quantity
Block.Alternatively, new blocks of files can be counted as by not carrying out the blocks of files of write operation to it in the blocks of files of first quantity, only
It is that its content is identical with original block.The present invention is not limited by the range of the new blocks of files of the second quantity.
In S140, for each new blocks of files, file in the block correspondence of the new blocks of files in first quantity is determined
Blocks of files, and generate the difference block of the new blocks of files and the respective file block.
In S150, the operation of the preservation to first file is received.
Alternatively, the operation of the preservation to first file can be received, and in S150 in S140, for each new
Blocks of files determines file in the block respective file block of the new blocks of files in first quantity, and generate the new blocks of files with
The difference block of the respective file block.
For example, as shown in figure 3, for each new blocks of files, it may be determined that the new blocks of files is in the text of first quantity
With the presence or absence of respective file block in part block, wherein, a blocks of files corresponds at least one in the blocks of files of first quantity
In the case of a new blocks of files, only by least one new new blocks of files of first in the block of file and the blocks of files each other
It is corresponding.In the case where the new blocks of files is there are respective file block, the difference of the new blocks of files and the respective file block is generated
Block；And in the case where respective file block is not present in the new blocks of files, using the new blocks of files in itself as its corresponding difference block.
Still it is unfolded to describe for carrying out write operation to the 3rd blocks of files,
1）A the 3rd new blocks of files is produced for the 3rd blocks of files of original, which corresponds to the 3rd text of original
There are a respective file blocks for part block, i.e. the 3rd new blocks of files.
2）3 blocks of files are produced for the 3rd blocks of files of original：New the 3rd blocks of files, the 3rd ' new blocks of files and new
3rd " blocks of files only corresponds to each other the 3rd new blocks of files and former 3rd blocks of files, in other words, the 3rd ' new blocks of files and
Respective file block is not present in new the 3rd " blocks of files.
In S160, the second edition of first file and the difference block are preserved, wherein the of first file
Two versions contain the operating result of the write operation.
Specifically, the file file in the block with first quantity is not included in the new blocks of files of second quantity
In the case of the identical blocks of files of block, the second edition of first file contains the new blocks of files of second quantity
And the blocks of files of write operation is not performed in the blocks of files of first quantity to it.On the other hand, in second quantity
In the case that new blocks of files includes the identical blocks of files of file blocks of files in the block with first quantity, described the
The second edition of one file contains the new blocks of files of second quantity.
In the following, in order to describe simplicity, the new blocks of files of second quantity refers only to not include and first quantity
The situation of the identical blocks of files of file blocks of files in the block.
Therefore, preserving the second edition of first file can include：According to the new blocks of files of second quantity and
The blocks of files of first quantity generates the second edition of first file；And preserve the second edition.
For each new blocks of files, the new blocks of files there are respective file block and the new blocks of files it is newly literary for blank
In the case of part block, the respective file block is replaced using the new blocks of files, that is, deletes respective file block and preserves the new file
Block；The new blocks of files there are respective file block and the new blocks of files for the new blocks of files of blank in the case of, it is described right to delete
Answer blocks of files；In the new blocks of files there is no in the case of respective file block, the new blocks of files is preserved.In addition, preserve described the
Those blocks of files that write operation described in the blocks of files of one quantity is not directed to.
Finally, the processing of difference block is generated in the document handling method applied to terminal device according to embodiments of the present invention
Terminate in step S199.
The first file is changed in terminal device and saves version after the modification of the first file（The second edition）Later, it uses
Family may need to upload to version after the modification of the first file in Dropbox server.In the case, basis as shown in Figure 2
The processing that difference block is uploaded in the document handling method applied to terminal device of the embodiment of the present invention starts to operate.
In S210, the upload operation of the second edition to first file is received.
In S220, in response to the upload operation, all difference blocks about first file preserved are uploaded
To server.
For example, all difference blocks of first file can be packaged generation difference set of blocks by the terminal device, and
The difference set of blocks generated is uploaded onto the server.
In S230, in response to the upload operation, all difference blocks about first file preserved are deleted.
As a result, by the way that the first file is drawn in the document handling method applied to terminal device according to embodiments of the present invention
It is divided into multiple blocks of files, the write operation of the first file is carried out based on blocks of files and only by text new caused by the write operation
Part block and the difference block of original block are uploaded onto the server, and can substantially reduce network traffic data.
Next, by the document handling apparatus applied to terminal device according to embodiments of the present invention is described with reference to Figure 9
900, this document processing unit 900 performs the file applied to terminal device according to embodiments of the present invention as shown in Fig. 1 to 3
Processing method 100.
As shown in figure 9, the document handling apparatus 900 applied to terminal device according to embodiments of the present invention includes：File
Piecemeal component 910, operation acceptance division part 920, difference block generating unit 930 and document data saving part part 940.
File block component 910 is by the first version of the first file in file system layer piecemeal, the text of the first quantity of acquisition
Part block.Specifically, 910 S110 as described above of file block component performs operation like that, no longer operates progress to it herein
It repeats.
Operation acceptance division part 920 is received on the basis of the first version of first file to first file
Write operation.Specifically, 920 S120 as described above of operation acceptance division part performs operation like that, no longer it is operated herein into
Row repeats.
Difference block generating unit 930 generates the new blocks of files of the second quantity in response to the write operation to first file,
For each new blocks of files, file in the block respective file block of the new blocks of files in first quantity is determined, and generate and be somebody's turn to do
New blocks of files and the difference block of the respective file block.Specifically, 930 S130 as described above of difference block generating unit and
S140 performs operation like that, no longer it is operated repeat herein.
In addition, the operation acceptance division part 920 also receives the operation of the preservation to first file.
The preservation to first file that document data saving part part 950 is received in response to the operation acceptance division part 920
Operation preserves the second edition of first file and the difference block, wherein the second edition of first file includes
The operating result of the write operation.Specifically, 950 S160 as described above of difference block generating unit performs operation like that,
No longer it is operated herein and is repeated.
In addition, the operation acceptance division part 940 also receives the upload operation of the second edition to first file.
Document handling apparatus 900 applied to terminal device according to embodiments of the present invention can also include：In difference block
Component 950 is passed, in response to the upload operation, all difference blocks about first file preserved are uploaded into clothes
Business device.
Next, by the document handling method applied to server according to embodiments of the present invention is described with reference to figure 4-6
400, the first version of the first file is saved, and the first version includes the first of first file in the server
The blocks of files of quantity.The document handling method 400 is specifically used for receiving the first text uploaded from terminal device in the server
The differential file of part and the new version for generating and preserving the first file in the server（The second edition）.
It is shown in FIG. 4 in the document handling method applied to server according to embodiments of the present invention and receives difference block
And generate the flow chart of the first file new version.The text applied to server according to embodiments of the present invention is shown in FIG. 5
The biography down of part processing method（Transmission）The flow chart of difference block.It is shown in FIG. 6 and according to embodiments of the present invention is applied to clothes
The flow of the preservation process of modified file in the document handling method of business device.
First, the document handling method applied to server according to embodiments of the present invention starts in step S401.
In S410, server receives the difference block of the second edition about first file uploaded from terminal device.
As previously mentioned, terminal device can by the second edition of first file generated in the terminal device and
All difference blocks of first version are packaged generation difference set of blocks, and the difference set of blocks generated is uploaded onto the server.Phase
Ying Di in the server, receives the difference set of blocks of the second edition about first file of upload, the difference block collection
Conjunction includes at least one difference block, and decompose the difference set of blocks, to obtain at least one difference block.
It is literary to obtain described first by the first version of first file and the difference merged block received in S420
The second edition of part.
For example, as shown in fig. 6, for each difference block, determine that the difference block is in the blocks of files of first quantity
It is no that there are respective file blocks；In the case where the difference block is there are respective file block, by the difference block and the respective file block
Merge to generate a new blocks of files, and in the case where the new blocks of files is null file block, discarding/the delete new file
Block；And in the case where respective file block is not present in the difference block, using the difference block in itself as a new blocks of files.So
Afterwards, those blocks of files for being not directed to using the difference block received in the blocks of files of first quantity and based on being received
The new blocks of files that is generated of difference block, to generate the second edition of first file.
Then, in S430, the second edition of first file is preserved.Moreover, it is also possible to preserve received difference
Piecemeal.For example, server can preserve the second edition and first version of first file received from the terminal device
All difference blocks difference set of blocks.
Finally, difference block and generation the is received in the document handling method applied to server according to embodiments of the present invention
The processing of one file new version terminates in step S499.
The new version of the first file is saved in the server（The second edition）Later, user may be from another terminal device
It sends out request and is synchronized to the request of the first file new version preserved in the server.In the case, as shown in Figure 5
The processing for passing difference block in document handling method applied to server according to embodiments of the present invention down starts to operate.
In S510, in the server, from another terminal device, reception is for the second edition of first file
Synchronization request.
In S520, in response to the synchronization request, to another terminal device, transmit preserved about described first
The difference block of the second edition of file.
The document handling method applied to server according to embodiments of the present invention is by preserving the of the first file as a result,
Multiple blocks of files of one version, the new version for receiving the first file（The second edition）With legacy version（First version）Between difference
Block and by multiple blocks of files of first version and the difference merged block that is received can update the preserved in server
The version of one file, while network traffic data can be substantially reduced.
On the other hand, by preserving the first text in the document handling method applied to server according to embodiments of the present invention
The new version of part（The second edition）With legacy version（First version）Between difference block and to saving first file
The terminal devices of multiple blocks of files of first version sends the difference block, and the terminal device can be caused to be synchronized to described the
The new version of one file, while network traffic data can be substantially reduced again.
Next, by the document handling apparatus applied to server according to embodiments of the present invention is described with reference to Figure 11
1100, the server saves the first version of the first file and is included in the first version of file system layer piecemeal
Multiple blocks of files, what this document processing unit 1100 performed as shown in Fig. 4 to 6 according to embodiments of the present invention is applied to service
The document handling method 400 of device.
As shown in figure 11, the document handling apparatus 1100 applied to server according to embodiments of the present invention includes：Difference
Block receiving part 1110, Piece file mergence component 1120 and document data saving part part 1130.
Difference block receiving part 1110 receives the difference block of the second edition about first file uploaded.Specifically
Ground, 1110 S410 as described above of difference block receiving part perform operation, no longer it are operated repeat herein like that.
Piece file mergence component 1120 is by the first version of first file and the difference merged block that is received, to obtain
State the second edition of the first file.Specifically, 1120 S420 as described above of Piece file mergence component performs operation like that, herein
No longer it is operated and is repeated.
The difference block that document data saving part part 1130 preserves the second edition of first file and received.Specifically
Ground, 1130 S430 as described above of document data saving part part perform operation, no longer it are operated repeat herein like that.
In addition, the document handling apparatus 1100 can also include：Ask receiving part 1140 and difference block transport unit
Part 1150.
Ask the synchronization request of the second edition that receiving part 1140 is received from terminal device for first file.
Difference block transfer member 1150 in response to the synchronization request, to terminal device transmission preserved about institute
State the difference block of the second edition of the first file.
Next, by the file process side applied to terminal device according to embodiments of the present invention is described with reference to figure 7-8
Method 700 saves the first version of the first file in the terminal device, and the first version of first file is in file system
Layer unite by piecemeal and includes the blocks of files of the first quantity.The document handling method 700 be specifically used in terminal device from
Server receives the differential file of the first file and the new version of the first file is generated and preserved in terminal device（The second edition
This）.
The flow chart of the document handling method applied to terminal device according to embodiments of the present invention is shown in FIG. 7.
It is shown in FIG. 8 in the document handling method applied to terminal device according to embodiments of the present invention and preserves modified file
Flow.
First, the document handling method applied to terminal device according to embodiments of the present invention starts in step S701.
In S710, in terminal device, the simultaneously operating for first file is received.
In S720, in terminal device, the synchronization request of the second edition for first file is sent to server,
The difference block of the second edition about first file is saved in the server.
In S730, the difference block of the second edition about first file is received from server.
As previously mentioned, the second edition of first file and all difference of first version can be preserved in the server
The difference set of blocks of block, the difference set of blocks include at least one difference block.It correspondingly, can be from server in S730
The difference set of blocks is received, and the difference set of blocks can be decomposed to obtain at least one difference block.
In S740, in terminal device, by the first version of first file and the difference merged block received, to obtain
Obtain the second edition of first file.
For example, as shown in figure 8, for each difference block, determine that the difference block is in the blocks of files of first quantity
It is no that there are respective file blocks；In the case where the difference block is there are respective file block, by the difference block and the respective file block
Merge to generate a new blocks of files, and in the case where the new blocks of files is null file block, discarding/the delete new file
Block；And in the case where respective file block is not present in the difference block, using the difference block in itself as a new blocks of files.So
Afterwards, those blocks of files for being not directed to using the difference block received in the blocks of files of first quantity and based on being received
The new blocks of files that is generated of difference block, to generate the second edition of first file.
Then, in S750, the second edition of first file is preserved.As needed, it can also preserve and be received
Difference block or difference set of blocks.
Finally, the document handling method 700 applied to terminal device according to embodiments of the present invention terminates in step S799.
The document handling method 700 applied to terminal device according to embodiments of the present invention is by preserving the first text as a result,
Multiple blocks of files of the first version of part, the new version for receiving the first file（The second edition）With legacy version（First version）Between
Difference block and by multiple blocks of files of first version and the difference merged block that is received, can be with institute in synchronous terminal equipment
The version of the first file preserved, while network traffic data can be substantially reduced.
Next, by the document handling apparatus applied to terminal device according to embodiments of the present invention is described with reference to Figure 10
1000, the first version of the first file is saved in the terminal device, the first version of first file is in file system
Layer unite by piecemeal and includes the blocks of files of the first quantity.This document processing unit 1100 perform as shown in Fig. 7 to 8 according to
The document handling method 700 applied to terminal device of inventive embodiments.
As shown in Figure 10, the document handling apparatus 1000 applied to terminal device according to embodiments of the present invention includes：Behaviour
Make receiving part 1010, request sends component 1020, difference block receiving part 1030, Piece file mergence component 1040 and file
Storage unit 1050.
Operation acceptance division part 1010 receives the simultaneously operating for first file.
Request sends the synchronization request for the second edition that component 1020 is sent to server for first file, in institute
State the difference block that the second edition about first file is saved in server.
Difference block receiving part 1030 receives the difference block of the second edition about first file from server.Specifically
Ground, 1030 S730 as described above of difference block receiving part perform operation, no longer it are operated repeat herein like that.
Piece file mergence component 1040 is by the first version of first file and the difference merged block that is received, to obtain
State the second edition of the first file.Specifically, 1040 S740 as described above of Piece file mergence component performs operation like that, herein
No longer it is operated and is repeated.
Document data saving part part 1050 preserves the second edition of first file.
The schematic process result of document handling method according to embodiments of the present invention is schematically shown in fig. 12.
First, write operation is performed to file A in the device 1, it is assumed that 2 blocks of files of file A are changed, and generate
Difference block A1 and A2.
Next, the difference block A1 and A2 of file A are uploaded to cloud storage service device by equipment 1.It should be noted that it can incite somebody to action here
Difference block A1 and A2 are packaged as difference set of blocks, then upload again.
Then, cloud storage service device utilizes the original A of its preservation and received difference block A1 and A2 generation file A
New version, and substitute original A, while also preserve received difference block A1 and A2 using the new version of file A.It should
Note that the difference set of blocks of difference block A1 and A2 can be preserved here.
Next, cloud storage service device slave device 2 receives synchronization request.
Then, the difference block A1 and A2 that wherein preserve are transmitted to equipment 2 by cloud storage service device, so that more new equipment
File A at 2.
Using the according to embodiments of the present invention document handling method and device that are applied to terminal device and server, pass through
File system layer by file block, operated based on block and difference block is generated when block changes and only pass
It send（Equipment 1 is uploaded to server, equipment 2 is downloaded from server）Difference block, can substantially reduce server and terminal device it
Between network traffic data.
Although example embodiment is described by reference to attached drawing, it should be understood that the above example embodiment is merely exemplary here
, and be not intended to limit the scope of the invention to this.Those of ordinary skill in the art can carry out various changes wherein
And modification, it is made without departing from the scope of the present invention and spiritual.All such changes and modifications are intended to be included in appended claims
Within required the scope of the present invention.
Claims (17)
1. a kind of document handling method, applied to terminal device, including：
By the first version of the first file in file system layer piecemeal, the blocks of files of the first quantity of acquisition；
It receives on the basis of the first version of first file to the write operation of first file；
In response to the write operation to first file, the new blocks of files of the second quantity is generated；
For each new blocks of files, file in the block respective file block of the new blocks of files in first quantity is determined, and raw
Into the new blocks of files and the difference block of the respective file block, wherein, in the case where the new blocks of files is there are respective file block,
Generate the difference block of the new blocks of files and the respective file block；And the situation of respective file block is not present in the new blocks of files
Under, using the new blocks of files in itself as its corresponding difference block；
The preservation to first file is received to operate；And
Operation is preserved in response to described, the second edition of first file and the difference block are preserved, wherein described first
The second edition of file contains the operating result of the write operation；
Wherein, the new blocks of files of the second quantity of generation includes：For each in the blocks of files of first quantity, behaviour is write described
In the case that work is related to this document block, its corresponding new blocks of files is generated on the basis of this document block.
2. document handling method as described in claim 1, further includes：
Receive the upload operation to the second edition of first file；And
In response to the upload operation, all difference blocks about first file preserved are uploaded onto the server.
3. document handling method as claimed in claim 2, further includes：
In response to the upload operation, all difference blocks about first file preserved are deleted.
4. document handling method as described in claim 1, wherein, for each in the blocks of files of first quantity, in institute
State in the case that write operation is related to this document block, generated on the basis of this document block its corresponding new blocks of files include with down toward
One item missing：
When the write operation corresponds to the operation for increasing the content involved by this document block, generated on the basis of this document block
At least one corresponding new blocks of files；
When the write operation corresponds to the operation of the content involved by modification this document block, generated on the basis of this document block
At least one corresponding new blocks of files；
When the write operation corresponds to the operation for deleting the partial content involved by this document block, on the basis of this document block
Generate a corresponding new blocks of files；And
When the write operation corresponds to the operation for deleting the full content involved by this document block, generation one and this document block
The new blocks of files of corresponding blank.
5. document handling method as described in claim 1, wherein, for each new blocks of files, determine the new blocks of files in institute
It states the file respective file block in the block of the first quantity and generates the difference block packet of the new blocks of files and the respective file block
It includes：
Determine that the new blocks of files whether there is respective file block in the blocks of files of first quantity, wherein, described first
In the case that a blocks of files corresponds at least one new blocks of files in the blocks of files of quantity, only by least one new file
First in the block new blocks of files corresponds to each other with the blocks of files.
6. document handling method as claimed in claim 5, wherein, the second edition for preserving first file includes：
The second edition of first file is generated by following operation：
There are respective file block and the new blocks of files it is not the new blocks of files of blank in the new blocks of files for each new blocks of files
In the case of, replace the respective file block using the new blocks of files；In the new blocks of files, there are respective file blocks and described new
In the case that blocks of files is the new blocks of files of blank, the respective file block is deleted；Respective file block is not present in the new blocks of files
In the case of, preserve the new blocks of files；And
Preserve write operation is not directed to described in the blocks of files of first quantity those blocks of files and
Preserve the second edition.
7. a kind of document handling method, applied to server, the server saves the first version of the first file, including：
Receive the difference block of the second edition about first file uploaded；
By the first version of first file and the difference merged block that is received, to obtain the second edition of first file
This, wherein, the first file that the server preserves first version in file system layer by piecemeal, exist in the difference block
In the case of respective file block, by the difference block and the respective file merged block to generate a new blocks of files；And at this
In the case that respective file block is not present in difference block, using the difference block in itself as a new blocks of files；And
Preserve the second edition of first file；
Wherein, the difference block for receiving the second edition about first file of upload includes：Receive upload about described
The difference set of blocks of the second edition of first file, the difference set of blocks include at least one difference block；And described in decomposing
Difference set of blocks, to obtain at least one difference block.
8. document handling method as claimed in claim 7, further includes：
Preserve received difference block.
9. document handling method as claimed in claim 8, further includes：
Receive the synchronization request of the second edition for first file；And
In response to the synchronization request, the difference block of the second edition about first file preserved is transmitted.
10. document handling method as claimed in claim 7, wherein, in the first edition for the first file that the server preserves
This includes the blocks of files of the first quantity,
Wherein, the difference block received with the first version of first file is merged and further included：
For each difference block, determine that the difference block whether there is respective file block in the blocks of files of first quantity；
In the case where the new blocks of files is null file block, the new blocks of files is abandoned；And
Those blocks of files that the difference block received in blocks of files using first quantity is not directed to and based on being received
The new blocks of files that is generated of difference block, to generate the second edition of first file.
11. a kind of document handling method applied to terminal device, saves the first edition of the first file in the terminal device
This, the first version of first file by piecemeal and includes the blocks of files of the first quantity in file system layer, including：
Receive the simultaneously operating for first file；
To server send for first file the second edition synchronization request, saved in the server about
The difference block of the second edition of first file；
The difference block of the second edition about first file is received from server；
By the first version of first file and the difference merged block that is received, to obtain the second edition of first file
This, wherein, in the case where the difference block is there are respective file block, by the difference block with the respective file merged block to generate
One new blocks of files；It is and in the case where respective file block is not present in the difference block, the difference block is new as one in itself
Blocks of files；And
Preserve the second edition of first file；
Wherein, it receives from server and includes about the difference block of the second edition of first file：It receives about described first
The difference set of blocks of the second edition of file, the difference set of blocks include at least one difference block；And decompose the difference
Set of blocks, to obtain at least one difference block.
12. document handling method as claimed in claim 11, wherein, by the first version of first file and received
Difference merged block includes：
For each difference block, determine that the difference block whether there is respective file block in the blocks of files of first quantity；
In the case where the new blocks of files is null file block, the new blocks of files is abandoned；And
Those blocks of files that the difference block received in blocks of files using first quantity is not directed to and based on being received
The new blocks of files that is generated of difference block, to generate the second edition of first file.
13. a kind of document handling apparatus, applied to terminal device, including：
File block component, by the first version of the first file in file system layer piecemeal, the blocks of files of the first quantity of acquisition；
Operation acceptance division part, reception write behaviour on the basis of the first version of first file to first file
Make；
Difference block generating unit in response to the write operation to first file, generates the new blocks of files of the second quantity, for
Each new blocks of files, determines file in the block respective file block of the new blocks of files in first quantity, and generate the new text
The difference block of part block and the respective file block, wherein, in the case where the new blocks of files is there are respective file block, it is new to generate this
Blocks of files and the difference block of the respective file block；And in the case where respective file block is not present in the new blocks of files, by this
New blocks of files is used as its corresponding difference block in itself；And
Document data saving part part is operated in response to the preservation to first file that the operation acceptance division part receives, is protected
The second edition of first file and the difference block are deposited, wherein the second edition of first file contains described write
The operating result of operation；
Wherein, the new blocks of files of the second quantity of generation includes：For each in the blocks of files of first quantity, behaviour is write described
In the case that work is related to this document block, its corresponding new blocks of files is generated on the basis of this document block.
14. document handling apparatus as claimed in claim 13, wherein, the operation acceptance division part is also received to the described first text
The upload operation of the second edition of part, and the document handling apparatus further includes：
Difference block uploads component, in response to the upload operation, all difference about first file that will be preserved
Block is uploaded onto the server.
15. a kind of document handling apparatus applied to terminal device, saves the first edition of the first file in the terminal device
This, the first version of first file by piecemeal and includes the blocks of files of the first quantity in file system layer, including：
Operation acceptance division part receives the simultaneously operating for first file；
Request sends component, the synchronization request of the second edition for first file is sent to server, in the clothes
The difference block of the second edition about first file is saved in business device；
Difference block receiving part receives the difference block of the second edition about first file from server；
Piece file mergence component, by the first version of first file and the difference merged block that is received, to obtain described the
The second edition of one file, wherein, in the case where the difference block is there are respective file block, by the difference block and the corresponding text
Part merged block is to generate a new blocks of files；And in the case where respective file block is not present in the difference block, by the difference block
Itself is used as a new blocks of files；And
Document data saving part part preserves the second edition of first file；
Wherein, it receives from server and includes about the difference block of the second edition of first file：It receives about described first
The difference set of blocks of the second edition of file, the difference set of blocks include at least one difference block；And decompose the difference
Set of blocks, to obtain at least one difference block.
16. a kind of document handling apparatus, applied to server, the server saves the first version of the first file, including：
Difference block receiving part receives the difference block of the second edition about first file uploaded；
Piece file mergence component, by the first version of first file and the difference merged block that is received, to obtain described the
The second edition of one file, wherein, the first file that the server preserves first version in file system layer by piecemeal,
It is in the case where the difference block is there are respective file block, the difference block and the respective file merged block is new literary to generate one
Part block；And in the case where respective file block is not present in the difference block, using the difference block in itself as a new blocks of files；With
And
Document data saving part part, the difference block for preserving the second edition of first file and being received；
Wherein, the difference block for receiving the second edition about first file of upload includes：Receive upload about described
The difference set of blocks of the second edition of first file, the difference set of blocks include at least one difference block；And described in decomposing
Difference set of blocks, to obtain at least one difference block.
17. document handling apparatus as claimed in claim 16, further includes：
Receiving part is asked, receives the synchronization request of the second edition for first file；And
Difference block transfer member in response to the synchronization request, transmits the second edition about first file preserved
This difference block.
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| CN104092780A (en) * | 2014-07-29 | 2014-10-08 | 中国联合网络通信集团有限公司 | File modification method and device and monofile synchronization method and device based on file blocks |
| CN105653544B (en) * | 2014-11-12 | 2019-06-25 | 联想(北京)有限公司 | A kind of information processing unit and method |
| CN104967660B (en) * | 2015-05-11 | 2018-01-05 | 华中科技大学 | A kind of network performance method for improving towards more cloud frameworks |
| CN114503075A (en) * | 2019-11-18 | 2022-05-13 | 深圳市欢太科技有限公司 | File processing method, file processing device and terminal equipment |
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| CN101917396A (en) * | 2010-06-25 | 2010-12-15 | 清华大学 | Real-time repetition removal and transmission method for data in network file system |
| CN102163308A (en) * | 2011-04-18 | 2011-08-24 | 中国科学院计算技术研究所 | Flow service data uploading system and method |
| CN102739791A (en) * | 2012-06-28 | 2012-10-17 | 奇智软件（北京）有限公司 | File downloading and uploading method and device |
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| CN101917396A (en) * | 2010-06-25 | 2010-12-15 | 清华大学 | Real-time repetition removal and transmission method for data in network file system |
| CN102163308A (en) * | 2011-04-18 | 2011-08-24 | 中国科学院计算技术研究所 | Flow service data uploading system and method |
| CN102739791A (en) * | 2012-06-28 | 2012-10-17 | 奇智软件（北京）有限公司 | File downloading and uploading method and device |
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